122563265657 has 8 divisors (see below), whose sum is σ = 140168717376. Its totient is φ = 104981917392.

The previous prime is 122563265647. The next prime is 122563265681. The reversal of 122563265657 is 756562365221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 122563265657 - 2¹⁰ = 122563264633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122563265647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6014963 + ... + 6035304.

It is an arithmetic number, because the mean of its divisors is an integer number (17521089672).

Almost surely, 2^122563265657 is an apocalyptic number.

It is an amenable number.

122563265657 is a deficient number, since it is larger than the sum of its proper divisors (17605451719).

122563265657 is a wasteful number, since it uses less digits than its factorization.

122563265657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12051727.

The product of its digits is 4536000, while the sum is 50.

The spelling of 122563265657 in words is "one hundred twenty-two billion, five hundred sixty-three million, two hundred sixty-five thousand, six hundred fifty-seven".